Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No.7; Message Transfer Part (MTP) level 3 functions and messages to support international interconnection - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 301004-2 V 1.1.2 (2000-01) as German Standard)
Edition 2001-09

V interfaces at the digital Service Node (SN) - Interfaces at the VB5.1 reference point for the support of broadband or combined narrowband and broadband Access Networks (ANs) - Part 1: Interface specification (Endorsement of the English version EN 301005-1 V 1.1.4 (1998-05) as German Standard)
Edition 2000-02

V interfaces at the digital Service Node (SN) - Interfaces at the VB5.1 reference point for the support of broadband or combined narrowband and broadband Access Networks (ANs) - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 301005-2 V 1.1.5 (1998-09) as German Standard)
Edition 2000-02

V interfaces at the digital Service Node (SN) - Interfaces at the VB5.1 reference point for the support of broadband or combined narrowband and broadband Access Networks (ANs) - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification (Endorsement of the English version EN 301005-3 V 1.1.2 (2000-05) as German Standard)
Edition 2000-10

V interfaces at the digital Service Node (SN) - Interfaces at the VB5.1 reference point for the support of broadband or combined narrowband and broadband Access Networks (ANs) - Part 4: Abstract Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification (Endorsement of the English version EN 301005-4 V 1.1.2 (2000-05) as German Standard)
Edition 2000-10

Q3 interface at the Local Exchange (LE) for line and circuit testing of analogue and Integrated Services Digital Network (ISDN) subscriber lines - Part 1: Q3 interface specification (Endorsement of the English version EN 301006-1 V 1.2.3 (1998-10) as German Standard)
Edition 2000-02

Integrated Services Digital Network (ISDN) - Signalling System No. 7; Operations, Maintenance and Administration Part (OMAP) - Part 1: Protocol specification (Endorsement of the English version EN 301007-1 V 1.1.3 (1998-05) as German standard)
Edition 1999-09

Integrated Services Digital Network (ISDN) - Signalling System No. 7; Operations, Maintenance and Administration Part (OMAP) - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 301007-2 V 1.2.3 (2000-11) as German Standard)
Edition 2001-09

Integrated Services Digital Network (ISDN) - Signalling System No. 7; Signalling Connection Control Part (SCCP) - Interoperability test specification (Endorsement of the English version EN 301008 V 1.1.2 (1998-05) as German standard)
Edition 1999-09

Fixed Radio Systems - Point-to-multipoint equipment - Time Division Multiple Access (TDMA) - Point-to-multipoint digital radio systems in frequency bands in the range 3 GHz to 11 GHz (Endorsement of the English version EN 301021 V1.6.1 (2003-07) as German standard)
Edition 2004-12